| Item Name: | CASE,BARREL,MACHINE |
| NSN: | 1005 - 00 - 791 - 5420, 1005007915420 |
| FSC: | FSC 1005 - GUNS, THROUGH 30MM |
| NIIN: | 007915420 |
| Part Number: | 7791009 |
| Manufacturer: | US ARMY ARDEC RDECOM |
| NCAGE: | 19200 |
| Part Number: | 7791009 |
| Manufacturer: | SPRINGFIELD ARMORY |
| NCAGE: | 19205 |